Annual report pursuant to Section 13 and 15(d)

Income Taxes - Provision for Income Taxes (Details)

v3.8.0.1
Income Taxes - Provision for Income Taxes (Details) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2017
Dec. 31, 2016
Dec. 31, 2015
Current      
Federal $ 0 $ 0 $ 0
State 0 0 0
Foreign (6) 0 (2)
Total current (6) 0 (2)
Deferred      
Federal 0 0 0
State 0 0 0
Foreign 3 (2) 2
Total deferred 3 (2) 2
Total income tax provision $ (3) $ (2) $ 0